Bicycle frame



FIG. 1 is a front perspective view of a bicycle frame showing my newdesign;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a rear elevational view thereof.

The broken line showing of the tires/wheels, seat, seat post,handlebars, and other miscellaneous bicycle components are provided forthe purpose of illustrating environmental structure and form no part ofthe claimed design.

CLAIM The ornamental design for a bicycle frame, as shown and described.